SMF6V5A-HM3-18 Circuit Protection

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Transient Voltage Suppressors (TVS) are solid-state devices that prevent surges in the electrical system. They are used to protect systems, components, and personnel from sudden voltage spikes. In particular, TVS-Diodes are used to shield against over-voltage and electrostatic discharge (ESD) events. The SMF6V5A-HM3-18, or simply the SMF6, is a small form factor TVS-Diode designed specifically to protect a wide range of electronic devices.

The SMF6 is an uni-directional diode with a low voltage rating 6V and 5A peak pulse current. It is designed to protect circuits from voltage transients caused by lightning or electrostatic discharges. It is also suitable for protecting against reversed-battery, inductive switching, motor start-up, abnormally fast turn-off, and load dump events. It has a reverse leakage current of 0.25mA maximum at 6V.

When exposed to a transient event, the SMF6 quickly clamps the voltage to a safe level. This is achieved through an avalanche breakdown process. As the voltage on the diode increases, the current is increased as well. When the reverse bias voltage reaches a certain threshold, it causes an avalanche breakdown of the diode’s PN junction. This process causes the voltage to drop, reducing the current flowing through the diode to a safe level.

The SMF6 is ideal for protecting low voltage circuits from voltage transients. It has a fast response time of an ultra-fast 6ns that prevents the diode from over-voltage damage. The symmetrical construction of the SMF6 allows it to operate over a wide temperature range from -55 to 105 degrees Celsius. Furthermore, the SMF6 has been designed and tested in accordance with IEC61000-4-2 level 4 and IEC61000-4-5 for ESD protection.

The SMF6 is small form-factor TVS-Diode which can be used for a wide range of applications. It is suitable for a variety of industrial, communication, consumer, and automotive applications. It is often used for protecting computers, smartphones, tablets, digital TVs, and other consumer electronic equipment against voltage transients. It is also suitable for protecting automotive systems such as engines, ABS, and infotainment systems from damaging voltage transients. Additionally, the SMF6 can be used in DC/DC converters, industrial AC/DC converters, and power supplies.

The SMF6V5A-HM3-18 is a robust and reliable TVS-Diode option for protecting instrumentation, communications, and regulation equipment. Its small form-factor design, fast response time, wide operating temperature range, reverse leakage current, and ESD protection make it an ideal choice for a variety of applications.

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